//
//  ViewController.m
//  02_UIViewController
//
//  Created by 徐昊 on 16/7/15.
//  Copyright © 2016年 徐昊. All rights reserved.
//

#import "ViewController.h"
#import "PresentViewController.h"
@interface ViewController ()

@property (nonatomic, strong) UIView *subView;

@end

@implementation ViewController

// ViewController 的声明周期

// 初始化方法
- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // 不要在这个方法中, 去加载视图
        // 在这个方法中去初始化一些数据相关的内容
    }
    return self;
}

// loadView 加载UIViewController中的view
// UINavigation
// UITableViewController 在loadView 给重写赋值了
- (void)loadView {
    [super loadView];
    NSLog(@"loadView");
    // 改变self.view
    
}

// view 已经 加载
// 所有自定义视图的创建
- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    self.view.backgroundColor = [UIColor redColor];
    NSLog(@"viewDidLoad");
    
}
// 模态, 一个视图控制器
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
    PresentViewController *present = [[PresentViewController alloc] init];
    present.modalTransitionStyle = UIModalTransitionStylePartialCurl;
    [self presentViewController:present animated:YES completion:^{
        
        
    }];
}


// 注意: init loadView viewDidLoad 只执行一次
// 视图将要出现时
- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
}

// 试图已经出现时
- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
}

// 视图将要消失时
- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
}

// 懒加载
- (UIView *)subView {
    if (_subView == nil) {
        _subView = [UIView new];
        [self loadView];
    }
    return _subView;
}

// 内存警告, 接收到内存警告时, 执行的方法
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
    // 释放部分内存资源
    // 把未显示在屏幕上的资源清空
}

@end
